OPNAv FORM 31 40-9 (RE V. 3-S3) 
W9 AN l!B 
DEPARTMENT OF THE NAVY 
SURFACE WEATHER OBSERVATIONS 
(Ship Station) 
u.s.s. 
c. 
AM 
r 'f?j 
STATION 
LATITUDE 
LONGITUDE 
DATE 
-■ u A \y '//( 7 
'I IME 
,'GMTJ 
STATION 
PRESSURE 
(INS.) 
DRY 
BULB 
WET 
BULB 
REL. 
HUMID¬ 
ITY 
(%) 
TOTAL 
SKY 
COVER 
CLOUDS AND OBSCURING PHENOMENA 
TOTAL 
OPAQUE 
SKY 
COVER 
SEA 
WATER 
(1/10°) 
SEA WAVES 
DIRECTION 
PERIOD 
HEIGHT 
SWELL WAVES 
DIRECTION 
PERIOD 
HEIGHT 
LOWEST LAYER 
SECOND LAYER 
SUMMA- 
TION 
TOTAL 
THIRD LAYER 
SUMMA- 
TION 
TOTAL 
FOURTH LAYER 
AMT. 
TYPE 4 
DIR. 
HEIGHT 
AMT. 
TYPE & 
DIR. 
HEIGHT 
AMT. 
TYPE 4 
DIR. 
HEIGHT 
AMT. 
TYPE 4 
DIR. 
HEIGHT 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
30 
31 
32 
33 
34 
35 
36 
37 
38 
39 
40 
00 
27 *20 
St i 
17 c 
7/ 
5 
Cl.L 
I 5 
c/ 
/ 
5 
o 
er 
O 
5 
SB L 
C/Jf5d 2 
01 
. ... 
02 
03 
04 
05 
t 
06 
R4-C 
Ibt 
it 
2 
Co 
! 5 
o 
Ac 
cr 
/ 
r. 
O 
^ • 
Sh.O 
Cfj r-s 02 
07 
08 
09 
10 
11 
12 
yi *1 •' 
/ L . 
. 
if) 
0 
t t 
4F1 
c* 
i 
V* i 
13 
14 
15 
_ 
16 
17 
18 
riYr~ 
v ? : 
7 
-y 
y 
*4 
f , / 
?c> 
y? 
{ A 
0 
7 
7 ' 
0 
l -</ 2. 
19 
20 
21 
22 
23 
SYNOPTIC OBSERVATIONS 
NAVY-PEARL HARBOR 
